The 4.4-r3 release is based on the Android 4.4.4_r2.0.1 (KTU84Q) release. We have fixed and added x86 specified code to let the system runs smoothly
on x86 platforms, especially for tablets and netbooks. There are a lot of improvements since the 4.4-r2 release including

Upgrade the kernel to 4.0.8 with more drivers enabled to support modern hardware. Baytrail platform is well supported.

Replace Bluedroid by the Bluez stack. Bluetooth is more stable and usable.

This release contains two files. One is the traditional ISO file that can be booted on devices with legacy BIOS. The other is the EFI image that can be used on more modern devices with UEFI firmware. You can choose one of them depends on your devices. In doubt, try the ISO file first.

ISO image: android-x86-4.4-r3.iso

sha1sum: 6c1488a36f24795796bd9158e77effc5e3acaa2d

EFI image: android-x86-4.4-r3.img

sha1sum: 10f90b1c4d902fd9f3f1c7ffcbf4fef606494e8a

Both files can be dumped into a usb drive to get a bootable usb stick, like

$ dd if=android-x86-4.4-r3.img of=/dev/sdX

where /dev/sdX is the device name of your usb drive.

Known issues

Suspend and resume may have problems on some systems.

The installer can't format ext3 filesystem.

Please report bugs to the android-x86 forum with detailed specs of your machine and error logs.